在热勘察中一米测温法几个问题的探讨

本文主要讨论了一米测温法的特点并对主要干扰因素进行分析,特别是研究了由太阳辐射强度周期变化而产生的年变化对浅层测温的影响与校正的方法。其次讨论了岩石热物性参数热导率与热扩散率不同对地温场的影响。最后讨论了测温资料的整理与解释中几个值得注意的问题。主要讨论了应用滤波法消除浅层局部干扰因素的问题,并列举英山地热区实例说明一米测温的效果。

AN INVESTIGATION INTO SOME PROBLEMS OF ONE METRETHERMOMETRY IN GEOTHERMAL EXPLORATION

The present paper discusses mainly characteristics of one metre thermome-try with an analysis of the major interference factors, especially the effect of annual variation caused by periodical change in the intensisty of solar radiation on the shallow-layer thermometry and its correction. The effects of differences in such thermal physical properties as thermal conductivities and thermal diffusi-tivities on geothermal field are also dealt with. Finally, some problems worth mentioning in sorting out and interpreting thermometric data are tackled, with the example of Yiushan geothermal area given to illustrate the effectiveness of one metre thermo metry.